The purpose of the study is to investigate visual assessment of leg movement during squatting and stair descent.

Volunteers must be adults, 18-40 years old, who are not experiencing knee pain or have had any history of serious knee injury or previous knee surgery.

Participation will entail one 10-20 minute movement analysis session in which a video of the volunteer performing three activities: two leg small squat, a single leg small squat and a step down from a box step.

Contact Barb Yemm at byemm1@slu.edu or 314-977-8537 to volunteer or for more information.